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1.季风流的流速在苏门答腊附近约2kn，在斯里兰卡南部为2.5kn，在索马里东部为2～3kn。（）赤道逆流的位置约在5°S附近，与东北季风流相接，形成了北印度洋冬季反时针方向的环流流系。
单选题A. 冬季~||~秋季~||~夏季~||~春季
2.PUBLIC ADDRESS SYSTEM:LOUDSPEAKERS IN THE VESSEL’S CABINS, MESS ROOMS, ETC., AND ON DECK VIA WHICH IMPORTANT INFORMATION CAN BE BROADCAST FROM A CENTRAL POINT, MOSTLY FROM THE NAVIGATION BRIDGE defines ______.
单选题A. AA-system~||~PP-system~||~PA-system~||~AP-system
3.A vessel engaged in fishing shall not impede the passage of______following a traffic lane．
单选题A. (1)~||~(1)&(2)~||~(3)~||~(4)
4.在海平面上温度为15℃，高度每升（）高英尺，降低2℃
单选题A. 1000~||~2000~||~3000~||~4000
5.PARACEL:N TO NE 6 AND UP TO 10 IN NA. 4000 M IN FRQ SQUALLY SHWRS AND TS. SEA 2 M AND UP TO 8-9 IN NA. SWELL E TO NE 4-5. FROM the above broadcast, the visibility will be ______.
单选题A. good~||~verygood~||~poor~||~moderate
6.可以促使水汽在一定温度下凝结长大。（）→云消散。
单选题A. 上升运动~||~上升运动+水汽~||~水平运动+水汽~||~下沉运动
7.降水主要来自高层云和（）
单选题A. 层云~||~雨层云~||~淡积云~||~积雨云
8.（）附近，昼夜长短几乎相等，最热月和最冷月热量收支相差不大，气温年较差小。
单选题A. 沙漠~||~草地~||~海洋~||~赤道
9.On no account can they cut it______it be fouled.
单选题A. Do~||~would~||~shall~||~should
10.某地当日潮汐资料为：1200400cm，1900136cm，则潮高为300cm的潮时为（）
单选题A. 1350~||~1457~||~1500~||~1330
11.In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.
单选题A. southtoeast~||~northtowest~||~northtoeast~||~southtowest
12.属于硬铁校正器，主要用于校正船舶垂直硬铁船磁力在船舶摇摆时对罗经产生的（）
单选题A. 象限自差~||~半圆自差~||~倾斜自差~||~椭圆自差
13.A pattern according to which vessels and / or aircraft may conduct a co-ordinated search is a ___________.
单选题A. Researchpattern~||~Researchmode~||~Searchpattern~||~Searchandrescuemode
14.硬铁部分所获得的磁性可以看做在相当长的时间内是稳定的，故称为（）
单选题A. 永久船磁~||~感应船磁~||~磁罗经~||~自差罗经
15.A vessel on the high seas that is not under command shall display which of the following day signals？ ______
单选题A. Twoblackballs~||~Threeblackballs~||~Tworedballs~||~Threeredballs
16.If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere？______.
单选题A. Easttonortheast~||~Easttosoutheast~||~Northtonorthwest~||~Southtosoutheast
17.气压观测应在（）
单选题A. 正点前15min进行~||~接近正点进行~||~正点前10min进行~||~正点前30min进行
18.Do not______the watch to the relieving officer until he has verbally expressed his acknowledgment of the information which has been passed by the officer handing over．
单选题A. turnover~||~handover~||~handsoff~||~takeover
19.因霾使天空的云量、云状全部或部分不明时，（），相应栏记录可辨明部分的云状;若透过这些现象能完全辨明云量、云状时，则按正常情况记录。
单选题A. 低云状栏记"∞"，总低云量栏记"-"~||~云状栏记"∞"，总低云量栏记10~||~云状栏记"-"，总低云量栏记"-"~||~云状云量栏均不作记录
20.一些大气污染成分在大气中发生化学变化从而会形成有害物质，则最常见的都有（）
单选题A. 氮氧化物和粉尘~||~酸雨和粉尘~||~氮氧化物和光化学烟雾~||~酸雨和光化学烟雾
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